<template>
  <div>
    <!-- 面包屑导航区 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>用户管理</el-breadcrumb-item>
      <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb>

    <!-- 卡片视图区 clearable属性设置得到一个空的输入框-->
    <el-card>
      <el-row :gutter="5">
        <el-col :span="7">
          <el-input
            placeholder="请输入内容"
            v-model="queryInfo.query"
            clearable
            @click="getUserList"
          >
            <el-button
              slot="append"
              icon="el-icon-search"
              @click="getUserList"
            ></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="dialogVisible = !dialogVisible"
            >添加用户</el-button
          >
        </el-col>
      </el-row>

      <!-- 用户列表区域 -->
      <el-table :data="userList" border stripe>
        <el-table-column type="index" label="#"></el-table-column>
        <el-table-column
          label="姓名"
          prop="username"
        ></el-table-column>
        <el-table-column label="邮箱" prop="email"></el-table-column>
        <el-table-column label="电话" prop="mobile"></el-table-column>
        <el-table-column label="角色" prop="role_name"></el-table-column>
        <el-table-column label="状态">
          <template slot-scope="scope">
            <!-- 作用域插槽scope.row拿到数据 -->
            <el-switch
              v-model="scope.row.mg_state"
              @change="userStateChange(scope.row)"
            >
            </el-switch>
          </template>
        </el-table-column>
        <!-- 列表区操作模块 -->
        <el-table-column label="操作">
          <template slot-scope="scope">
            <!-- 分别是修改，删除，分配 -->
            <el-button type="primary" icon="el-icon-edit" size="mini" @click="showEditDialog(scope.row.id)"></el-button>
            <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeUserById(scope.row.id)"></el-button>
            <el-tooltip effect="dark" content="分配角色" placement="top" :enterable="false" >
              <el-button type="warning" icon="el-icon-setting" size="mini" @click="showRole(scope.row)"></el-button>
            </el-tooltip>
          </template>
        </el-table-column>
      </el-table>

      <!-- 分页区 -->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[1, 2, 5, 10]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
      >
      </el-pagination>
    </el-card>
    <!-- 修改用户的对话框 :visible.sync控制对话框开关-->
    <el-dialog title="修改用户" :visible.sync="xiugaidialogVisible" width="30%">
      <el-form
        :model="editForm"
        :rules="editFormRules"
        ref="editFormRef"
        label-width="70px"
        @click="editDialogClosed"
      >
        <el-form-item label="用户名">
          <el-input v-model="editForm.username" disabled></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="editForm.email"></el-input>
        </el-form-item>
        <el-form-item label="修改手机号" prop="mobile">
          <el-input v-model="editForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <!-- 对话框底部按钮区 -->
      <span slot="footer" class="dialog-footer">
        <el-button @click="xiugaidialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="editUserInfo">确 定</el-button>
      </span>
    </el-dialog>
    <!-- 添加用户对话框 -->
    <el-dialog
      title="添加用户"
      :visible.sync="dialogVisible"
      width="30%"
      @close="addDialogClose"
    >
      <!-- 对话框的内容主体区 -->
      <span>
        <el-form
          :model="addForm"
          :rules="addFormRules"
          ref="addFormRef"
          label-width="70px"
        >
          <el-form-item label="用户名" prop="username">
            <el-input v-model="addForm.username"></el-input>
          </el-form-item>
          <el-form-item label="密码" prop="password">
            <el-input v-model="addForm.password"></el-input>
          </el-form-item>
          <el-form-item label="手机号" prop="mobile">
            <el-input v-model="addForm.mobile"></el-input> </el-form-item
          ><el-form-item label="邮箱" prop="email">
            <el-input v-model="addForm.email"></el-input>
          </el-form-item>
        </el-form>
      </span>
      <!-- 对话框底部按钮区 -->
      <span slot="footer" class="dialog-footer">
        <el-button @click="dialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="addUser">确 定</el-button>
      </span>
    </el-dialog>

    <!-- 分配角色的对话框 -->
    <el-dialog
      title="分配角色"
      :visible.sync="setRoleDialogVisible"
      width="50%" @close="serRoleDialogVisible">
      <div><p>当前的用户：{{userInfo.username}}</p><p>当前的角色：{{userInfo.role_name}}</p>
      <p>分配新角色：
        <el-select v-model="selectedRoleId" placeholder="请选择">
          <el-option
            v-for="item in roleList"
            :key="item.id"
            :label="item.roleName"
            :value="item.id">
          </el-option>
        </el-select>
      </p></div>
      <span slot="footer" class="dialog-footer">
      <el-button @click="setRoleDialogVisible = false">取 消</el-button>
      <el-button type="primary" @click="saveRoleInfo">确 定</el-button>
      </span>
    </el-dialog>
  </div>
</template>

<script>
export default {
  data() {
    //验证手机的规则
    var checkPhone = (rule, value, cb) => {
      //验证手机的正则表达式
      const regPhone =
        /^(0|86|17951)?(13[0-9]|15[012356789]|17[678]|18[0-9]|14[57])[0-9]{8}$/
      if (regPhone.test(value)) {
        //合法的邮箱
        return cb()
      }
      cb(new Error('请输入合法的手机号'))
    }
    //验证邮箱的规则
    var checkEmail = (rule, value, cb) => {
      //验证邮箱的正则表达式
      const regEmail = /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-])+/
      if (regEmail.test(value)) {
        //合法的邮箱
        return cb()
      }
      cb(new Error('请输入合法的邮箱'))
    }
    return {
      queryInfo: {
        query: '',
        //当前的页数
        pagenum: 1,
        //当前每页显示多少条
        pagesize: 2,
      },
      userList: [],
      total: 0,
      //控制对话框的显示与隐藏
      dialogVisible: false,
      //修改对话框显示与隐藏
      xiugaidialogVisible: false,
      //查询到的用户信息对象
      editForm: {},
      //添加用户的表单数据
      addForm: {
        username: '',
        email: '',
        mobile: '',
        role_name: '',
      },
      //添加表单规则  validator指定校验规则
      addFormRules: {
        username: [
          { required: true, message: '请输入用户名', trigger: 'blur' },
          {
            min: 5,
            max: 10,
            message: '用户名的长度在5-10个字符之间',
            trigger: 'blur',
          },
        ],
        password: [
          { required: true, message: '请输入密码', trigger: 'blur' },
          {
            min: 6,
            max: 15,
            message: '密码的长度在6-15个字符之间',
            trigger: 'blur',
          },
        ],
        mobile: [
          {
            required: true,
            message: '请输入您的手机号',
            trigger: 'blur',
          },
          {
            validator: checkPhone,
            trigger: 'blur',
          },
        ],
        email: [
          {
            required: true,
            message: '请输入您的邮箱',
            trigger: 'blur',
          },
          {
            validator: checkEmail,
            trigger: 'blur',
          },
        ],
      },
      // 修改表单的验证规则对象
      editFormRules: {
        mobile: [
          {
            required: true,
            message: '请输入您的手机号',
            trigger: 'blur',
          },
          {
            validator: checkPhone,
            trigger: 'blur',
          },
        ],
        email: [
          {
            required: true,
            message: '请输入您的邮箱',
            trigger: 'blur',
          },
          {
            validator: checkEmail,
            trigger: 'blur',
          },
        ],
      },
      //控制分配角色对话框的显示与隐藏
      setRoleDialogVisible:false,
      //需要被分配权限的角色的用户信息
      userInfo:{},
      //获取角色的数据列表
      roleList:[],
      //已选中的角色id值
      selectedRoleId:''
    }
  },
  created() {
    //创建完成后就调用获取用户列表
    this.getUserList()
  },
  methods: {
    async getUserList() {
      const { data: res } = await this.$http.get('users', {
        params: this.queryInfo,
      })
      if (res.meta.status !== 200) {
        return this.$message.error('获取用户列表失败')
      }

      this.userList = res.data.users
      console.log('@@', this.userList)
      this.total = res.data.total
      // console.log(res)
    },

    //分页部分
    //监听pageSize(分页)改变的事件
    handleSizeChange(newSize) {
      console.log('当前多少条一页', newSize)
      this.queryInfo.pagesize = newSize
      this.getUserList()
    },
    //监听 页码值(current-change)  改变的事件
    handleCurrentChange(newPages) {
      // console.log('当前的页码值', newPages)
      this.queryInfo.pagenum = newPages
      this.getUserList()
    },

    //监听switch开关的
    async userStateChange(userInfo) {
      console.log(userInfo)
      const { data: res } = await this.$http.put(
        `users/${userInfo.id}/state/${userInfo.mg_state}`
      )
      if (res.meta.status !== 200) {
        userInfo.mg_state = !userInfo.mg_state
        return this.$message.error('更新用户状态失败')
      }
      this.$message.success('更新用户状态成功')
    },

    //监听添加用户对话框的关闭事件
    addDialogClose() {
      this.$refs.addFormRef.resetFields()
    },
    //点击按钮添加新用户，先进行预验证
    addUser() {
      this.$refs.addFormRef.validate(async (valid) => {
        console.log(valid)
        if (!valid) return

        //发起添加用户的网络请求
        const { data: res } = await this.$http.post('users', this.addForm)
        if (res.meta.status !== 201) {
          return this.$message.error('添加用户失败！')
        }
        this.$message.success('添加用户成功！')
        //隐藏用户框
        this.dialogVisible = false
        //重新获取用户的数据
        this.getUserList()

        //对话框数据重置
        this.$refs.addFormRef.resetFields()
      })
    },

    //修改对话框
    async showEditDialog(id) {
      this.xiugaidialogVisible = true
      // console.log(id)
      const { data: res } = await this.$http.get('users/' + id)
      if (res.meta.status !== 200) {
        return this.$message.error('查询用户信息失败')
      }
      this.editForm = res.data
      this.xiugaidialogVisible = true
    },
    // 监听修改用户框的关闭事件
    editDialogClosed() {
      this.$refs.editFormRef.resetFields()
    },
    editUserInfo() {
      this.$refs.editFormRef.validate(async (valid) => {
        console.log(valid)
        if (!valid) return

        //发起添加用户的网络请求
        const { data: res } = await this.$http.put(
          'users/' + this.editForm.id,
          {
            email: this.editForm.email,
            mobile: this.editForm.mobile,
          }
        )
        if (res.meta.status !== 200) {
          return this.$message.error('修改用户失败！')
        }
        this.$message.success('修改用户成功！')
        //隐藏修改对话框
        this.xiugaidialogVisible = false
        //重新获取用户的数据
        this.getUserList()
      })
    },
    //列表区删除数据
    async removeUserById(id) {
      console.log(id)
      //询问用户是否删除数据
      const confirResult = await this.$confirm(
        '此操作将永久删除该用户信息, 是否继续?',
        '提示',
        {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning',
        }
      ).catch((err) => err)

      //如果用户确认删除，则返回值为字符串，confirm
      //如果用户取消了删除，则返回为字符串cancel

      if (confirResult !== 'confirm') {
        return this.$message.info('已经取消了删除')
      }
      const { data: res } = await this.$http.delete('users/' + id)
      if (res.meta.status !== 200) {
        return this.$message.error('删除用户失败！')
      }
      this.$message.success('删除用户成功！')
      this.getUserList()
    },
    //展示分配角色对话框
    async showRole(userInfo){
      this.userInfo=userInfo
      //在展示对话框之前，获取所有角色的列表
      const {data:res}=await this.$http.get('roles')
      if(res.meta.status!==200){
        this.$message.error('获取角色列表失败')
      }
      this.roleList =res.data 
      this.$message.success('获取角色列表成功')
      
      this.setRoleDialogVisible=true
    },
    //点击按钮分配角色
    async saveRoleInfo(){
      if(!this.selectedRoleId){
        return this.$message.error('请选择要分配的角色')
      }
      const {data:res}=await this.$http.put(`users/${this.userInfo.id}/role`,{rid:this.selectedRoleId})
      if(res.meta.status!==200){
        this.$message.error('更新角色失败')
      }
      this.$message.success('更新角色成功')
      this.getUserList()
      this.setRoleDialogVisible=false
    },
    //监听分配角色对话框的关闭
    serRoleDialogVisible(){
      this.selectedRoleId='',
      this.userInfo={}
    }
  },
  
}
</script>

<style>
</style>